| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
A mountain in Greece. According to classical mythology, it was one of the mountains where the Muses lived. The Delphic oracle was on one of its slopes.
Note: Parnassus is known as the mythological home of poetry and music.